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nitrate
nitrates
A Dictionary of Food and Nutrition
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2005
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© A Dictionary of Food and Nutrition 2005, originally published by Oxford University Press 2005. (Hide copyright information)
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nitrates Plant nutrients and natural constituents of plants; found in soils and included in fertilizer. The amount in crops depends on the amount in soil. Found in drinking water as a result of excessive use of fertilizers.
Health problems can arise because within a day or two of harvesting some crops nitrates are converted into
nitrites which can react with the
haemoglobin (especially fetal haemoglobin) in the blood to produce
methaemoglobin which cannot transport oxygen. Maximum levels have been established for nitrate levels in drinking water (an upper limit of 45–50 mg nitrate/L has been recommended for infants).
Nitrates are also used, together with
nitrites, for
curing meat products. See also
nitrosamines.
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Nitrate Control of Root Hydraulic Properties in Plants: Translating Local Information to Whole Plant Response1[OA]
Magazine article from: Plant Physiology; 10/1/2008; ; 700+ words
; ...to acquire mobile nutrients such as nitrate. Whereas proliferation of roots might help in the longer term, nitrate-rich patches can shift rapidly with...Here, we report that variation in nitrate concentration around roots induces an...
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 "Yakima Herald-Republic (Yakima, WA)")
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Nitrates Q&A.
News Wire article from: Yakima Herald-Republic (Yakima, WA); 10/12/2008; 700+ words
; ...underground can also influence nitrate concentration. How do nitrates reach underground drinking water? Nitrate-rich manure overapplied...frequent testing. Is nitrate pollution a new problem? No. Because nitrates are stable, they can...
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Nitrates Q&A
Newspaper article from: Yakima Herald-Republic; 10/12/2008; ; 700+ words
; ...underground can also influence nitrate concentration. How do nitrates reach underground drinking water? Nitrate-rich manure overapplied...frequent testing. Is nitrate pollution a new problem? No. Because nitrates are stable, they can...
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Calcium ammonium nitrate: warm shelter for the nitrate industry in the cold financial "winter".(Inorganics)
Magazine article from: China Chemical Reporter; 2/26/2009; ; 700+ words
; Calcium ammonium nitrate is a new kind of highly effective compound fertilizer...without causing the soil to agglomerate. Both nitrate nitrogen and ammoniate nitrogen are in the calcium ammonium nitrate. Moreover, it contains water-soluble calcium...
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Nitrate intake does not influence bladder cancer risk: the Netherlands Cohort Study.(Research)
Magazine article from: Environmental Health Perspectives; 10/1/2006; ; 700+ words
; ...nitroso compounds, endogenously formed from nitrate-derived nitrite, are suspected to be...carcinogens. However, the association between nitrate exposure from food or drinking water and...We evaluated the associations between nitrate exposure and bladder cancer in the Netherlands...
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Nitrate pollution and sustainable agriculture.
Magazine article from: Nitrogen & Methanol; 9/1/1998; 700+ words
; ...the nitrite ions to nitrate. Denitrification is the process in which nitrates are reduced to gaseous...thoroughly remove all nitrates from the soil. No nitrate is naturally added...health effects of nitrates Nitrate concentrations...
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Nitrate, nitrate everywhere.... (legislation in Great Britain forces water companies to reduce nitrate levels) (Special Issue - Environmental Protection)
Magazine article from: Process Engineering; 3/22/1991; ; 700+ words
; NITRATE, NITRATE EVERYWHERE. . . The water companies are having act to cut nitrate levels in drinking water. Keith Allott asks if the health risks are real, and looks at the measures being taken to tackle the problem. |There is a strong feeling...
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Nitrates can be toxic after rain.
Magazine article from: Feedstuffs; 9/12/2005; ; 700+ words
; ...forages are prone to nitrate toxicity. "The problem...when the plant takes up nitrates from the soil but doesn...risk for accumulating nitrates are drought-stressed...moisture to convert nitrates. Nitrate toxicity is also a problem...
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 "The Record (Bergen County, NJ)")
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NITRATE LEVELS RISING SHARPLY IN PASSAIC RIVER
Newspaper article from: The Record (Bergen County, NJ); 4/21/1996; ; 700+ words
; ...for addressing nitrates and other issues. The nitrate reading of water...Geological Survey. Nitrates are considered...drought, the nitrate reading at the...unsafe levels of nitrates. "This is due...percent of ingested nitrate is transformed...
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Dietary nitrate: where is the risk?(Correspondence)
Magazine article from: Environmental Health Perspectives; 8/1/2006; ; 700+ words
; ...conclude that dietary nitrates elevate a single health...explored before changes to nitrate water quality standards...confidently say that nitrates are not the threat...drinking water MCL for nitrates to 20 ppm nitrate-N to reflect the...
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Nitrates
Dictionary entry from: Dictionary of American History
NITRATES NITRATES. Nitrate (NO 3 ) is a compound of the elements nitrogen and...large loads also come from livestock operations and nitrate fertilizer runoff from farm-land. Nitrates infiltrate ground water as well as surface waters...
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nitrate
Book article from: The Columbia Encyclopedia, Sixth Edition
...compound containing the nitrate (NO 3 ) radical . Nitrates are salts or esters...important inorganic nitrates are potassium nitrate (KNO 3 ), sodium...NO 3 ). Calcium nitrate is used in fertilizers...barium and strontium nitrates are used to color...
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Gallium Nitrate
Encyclopedia entry from: Gale Encyclopedia of Cancer
Gallium nitrate Definition Gallium nitrate is a drug that is used to treat hyper-calcemia , or too much...occur when individuals develop various types of cancer. Gallium nitrate is also known by the common brand name Ganite. Purpose The purpose...
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Potassium Nitrate
Encyclopedia entry from: The Gale Encyclopedia of Science
Potassium Nitrate Potassium nitrate, also known as saltpeter or niter, is a chemical compound consisting...shell primers, hand-grenade fuses, and fireworks. Potassium nitrate consists of three basic chemical elements: potassium a soft...
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sodium nitrate
Book article from: The Columbia Encyclopedia, Sixth Edition
sodium nitrate chemical compound, NaNO 3 , a colorless...compound that closely resembles potassium nitrate (saltpeter or niter) in appearance and...alcohol, and liquid ammonia. Sodium nitrate is also called soda niter or Chile saltpeter...
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